AC/DC & DC/DC converters (integrated FET)

Optimize power conversion with our portfolio of converters for a wide range of power topologies.

parametric-filter查看所有产品
Because DC/DC step-down (buck) converters feature a controller with one or more integrated FETs and an external inductor, they offer a balance of flexibility and ease of use. Browse our comprehensive portfolio of DC/DC buck converters and leverage corresponding design tools to address power-supply design challenges for any application.

按类别浏览

Select by topology

Step-down (Buck)

Because DC/DC step-down (buck) converters feature a controller with one or more integrated FETs and an external inductor, they offer a balance of flexibility and ease of use.

Step-up (Boost)

Our low-power boost converters support your need for small solution size, low system cost and high power density.

Buck-boost, inverting & split rail

Our buck-boost, inverting and split-rail converters integrate FETs to reduce component count in your system and simplify your board design.

Isolated

Easily generate one or more isolated positive and negative supplies using a small number of external components. An optocoupler is not required, and devices can be used for isolated applications.

Charge pumps (inductorless)

Our easy-to-use charge pumps offer the industry's smallest solution size and highest performance. They are ideal for low-power industrial, personal electronics and telecommunications applications.

Featured converters

TPSM8S6B24S
AC/DC & DC/DC converters (integrated FET)

4V to 16V input 25A 4x stackable PMBus® power module with extended security

价格约为 (USD) 1ku | 13

TPS54KB20
AC/DC & DC/DC converters (integrated FET)

4V 至 16V 输入、25A 遥感同步降压转换器

价格约为 (USD) 1ku | 1.51

TPS54KC23
AC/DC & DC/DC converters (integrated FET)

4-V to 16-V input, 30-A, remote sense, synchronous step-down converter

价格约为 (USD) 1ku | 1.75

LMR66420-Q1
AC/DC & DC/DC converters (integrated FET)

具有 1.5uA IQ 和低 EMI 的汽车类 36V、2A 同步降压转换器

价格约为 (USD) 1ku | 1.35

LMR66430-Q1
AC/DC & DC/DC converters (integrated FET)

具有 1.5uA IQ 和低 EMI 的汽车类 36V、3A 同步降压转换器

价格约为 (USD) 1ku | 1.395

LMR66430
AC/DC & DC/DC converters (integrated FET)

具有 1.5uA IQ 和低 EMI 的 36V、3A 同步降压转换器

价格约为 (USD) 1ku | 1.23

Power trends

Power density

More power, less board space. In addition to being a trend in applications across all markets, it is also one of the key benefits of using a step-down module. Buck modules feature an integrated inductor and FETs to not only minimize power supply size, but also simplify design and help get customers to market faster. On the inside, the centerpiece of each module is a high-efficiency buck regulator surrounded by a layout optimized for thermal performance.  

High-density power modules are a great choice for powering high-current digital loads like FPGAs and processors. Use our processor-attach tool to find the best power supply devices to surround your FPGA or processor. 

白皮书
Benefits and trade-offs of various power-module package options
This white paper discusses a few package options – embedded, leaded and QFN – and the benefits and trade-offs of each in terms of module size, component integration, thermal performance and EMI considerations.
PDF
应用手册
Practical Thermal Design With DC/DC Power Modules (Rev. A)
This application note outlines a design procedure to quickly estimate the minimum required copper area on the PCB for a successful thermal design with DC/DC power modules.
PDF
白皮书
通过增强型 HotRod™ QFN 封装启用小型、冷却静音电源模块
Learn how our enhanced HotRod™ QFN package technology enables engineers to address design challenges and take advantage of more efficient, cooler and quieter devices in their designs. 
PDF
实现power density的特色产品
TPSM82866A 正在供货 具有集成电感器、采用 3.5mm x 4mm QFN 封装的 2.4V 至 5.5V 输入、6A 薄型降压电源模块
TLVM13630 正在供货 高密度 3V 至 36V 输入、1V 至 6V 输出、3A 降压电源模块
TPSM5D1806 正在供货 4.5V 至 15V 输入、双路 6A/单路 12A 输出电源模块
Low EMI

Mitigating power-supply EMI can be a major challenge for many power-supply designers, so why not make it as simple as possible? With a high level of integration and an internal layout optimized to minimize noise, buck modules are an excellent choice to save design time and help you comply with difficult standards like CISPR 22 Class-B. Take a look below at some of our latest and best DC/DC step-down modules for EMI performance. 

白皮书
简化电源模块设计,降低 EMI
Learn how the tight integration of a power module helps to not only increase power density, but also simplify EMI design. 
PDF
视频
Package optimization – HotRod™ and enhanced HotRod QFN packages
HotRod QFN or flip-chip on leadframe QFN packages eliminates the need for bondwires. See how you can use our HotRod QFN package technology to mitigate EMI issues, while additional enhancements can reduce your solution size. 
应用手册
通过展频进一步优化 EMI
This application report will focus on understanding the noise origins,the effective construction of our power modules to help with noise reduction, and how the spread spectrum technique helps reduce EMI emissions.
PDF
实现low EMI的特色产品
TPSM63606 正在供货 采用 5mm x 5.5mm 增强型 HotRod™ QFN 封装的高密度 36V 输入、1V 至 16V 输出、6A 电源模块
TPSM82810 正在供货 采用 3mm x 4mm μSIP 封装、具有可调节频率和跟踪功能的 2.75V 至 6V、4A 降压模块
LMZM23601 正在供货 采用 3.8mm × 3mm 封装的 36V、1A 降压直流/直流电源模块

技术资源

选择指南
选择指南
Buck Converter Quick Reference Guide (Rev. B)
Covering devices with input voltage up to 100 V and output current up to 40 A, this quick reference guide highlights our most popular buck converters across a wide variety of applications.
document-pdfAcrobat PDF
视频系列
视频系列
Power fundamentals - buck regulator architectures
This series provides an overview of buck regulator architectures, including: multiphase, hysteretic, COT, current or emulated current mode, and voltage mode. 
选择指南
选择指南
SWIFT DC/DC Converters Selector Guide (Rev. G)
Low on-resistance integrated MOSFETs, tight output voltage regulation accuracy, and an advanced feature-set allow SWIFT™ step-down converters to power the most advanced DSPs and FPGAs in the industry.
document-pdfAcrobat PDF

了解特色应用

HEV and EV
利用 TI 降压稳压器满足混合动力汽车和电动汽车的系统电源要求
Infotainment and cluster
借助 TI 降压转换器和控制器扩展汽车信息娱乐系统与仪表组系统的功能
Data center and enterprise computing
我们的直流/直流转换器和电源模块可解决企业应用中的功率密度和热设计难题

利用 TI 降压稳压器满足混合动力汽车和电动汽车的系统电源要求

设计工程师不仅要考虑多个注意事项,同时还要满足严格的目标成本和布板空间要求。我们在设计和开发功率器件时便考虑到了这些挑战。

  • 更宽的工作温度范围。
  • 支持严格的电磁兼容性标准,例如国际无线电干扰特别委员会 5 类。
  • 宽输入电压能力范围,可应对较大输入瞬态情况。
  • 可采用引线式封装和无引线封装。

特色资源

产品
  • TPSF12C3 – 适用于三相系统的共模有源 EMI 滤波器 (AEF)
  • LMR38020-Q1 – SIMPLE SWITCHER® 汽车类 4.2V 至 80V、2A 电源模块同步降压转换器
  • LM5180-Q1 – 具有 100V、1.5A 集成式 MOSFET 的汽车类 65V 输入电压非光电反激式转换器
设计工具和仿真
  • LMR38020QEVM – LMR38020-Q1 40µA IQ、80V、2A 同步降压 SIMPLE SWITCHER® 电源转换器评估模块

借助 TI 降压转换器和控制器扩展汽车信息娱乐系统与仪表组系统的功能

当今的汽车信息娱乐系统与仪表组系统为现代驾驶员提供信息、娱乐和连接功能。展望未来,这些系统内的功能应该只增不减。这意味着需要在相同的物理空间内具有更强的处理能力。为了给这些新一代系统供电,电源转换器需要在两个重要方面具有出色表现。

  • 较高的输出功率与封装尺寸比,但不会发生过热。
  • 更大限度地降低传导和辐射电磁干扰。

特色资源

参考设计
  • PMP30670 – 适用于数字驾驶舱处理单元的汽车宽输入电压前端参考设计
  • PMP22030 – 适用于信息娱乐系统显示屏且符合 CISPR 25 5 类标准的高效、低发热电源参考设计
产品
  • LM61495-Q1 – 针对功率密度进行了优化且具有低 EMI 的 10A 汽车类降压转换器
  • TPS62813-Q1 – 具有固定 Fsw 和 SYNC 并采用 2mm x 3mm 可湿性侧面封装的汽车类 2.75V 至 6V、3A 降压转换器
  • TPS62873-Q1 – 汽车级 2.7V 至 6V 输入、15A 可堆叠同步降压转换器

我们的直流/直流转换器和电源模块可解决企业应用中的功率密度和热设计难题

数据中心对于业务连续性和可靠通信至关重要。我们的电源管理解决方案在为高性能处理器供电时可提供稳压电源,同时还可实现高可用性和高效率。

  • 高效率、出色的热性能以及带遥测功能的 PMBus 技术可在降低数据中心温度的同时节省能源。
  • 快速瞬态响应,可减小输出滤波器尺寸。
  • 高输出电压精度,为全新的高级处理器供电。

特色资源

产品
  • TPS54J061 – 4V 至 16V 输入、6A 同步降压转换器,600mV 基准电压和断续电流限制
  • TPS54KB20 – 4V 至 16V 输入、25A 遥感同步降压转换器
硬件开发
设计工具和仿真
软件开发

Design & development resources

Design tool
WEBENCH® Power Designer
WEBENCH® Power Designer creates customized power-supply circuits based on your requirements. The environment gives you end-to-end power-supply design capabilities that save you time during all phases of the design process.
模拟工具
适用于 TI 设计和模拟工具的 PSpice®
PSpice® for TI 可提供帮助评估模拟电路功能的设计和仿真环境。此功能齐全的设计和仿真套件使用 Cadence® 的模拟分析引擎。PSpice for TI 可免费使用,包括业内超大的模型库之一,涵盖我们的模拟和电源产品系列以及精选的模拟行为模型。

借助 PSpice for TI 的设计和仿真环境及其内置的模型库,您可对复杂的混合信号设计进行仿真。创建完整的终端设备设计和原型解决方案,然后再进行布局和制造,可缩短产品上市时间并降低开发成本。

在 PSpice for TI 设计和仿真工具中,您可以搜索 TI (...)
设计工具
适用于常用开关模式电源的 Power Stage Designer™ 软件工具

Power Stage Designer 是一款基于 Java 的工具,可根据用户输入计算 21 种拓扑的电压和电流,有助于加快电源设计。另外,Power Stage Designer 包含波特图绘图工具和具有各种功能的实用工具箱,让电源设计更简单。这款工具可以非常快速地开始全新的电源设计,因为所有计算都是实时执行的。

  • “Topology”窗口 – 根据输入参数提供拓扑信息和元件波形
  • Loop Calculator – 有助于确定不同拓扑的补偿网络
  • Load Step Calculator – 估算指定负载瞬变所需的最小输出电容
  • Filter Designer – 可帮助开始设计差模滤波器
  • FET (...)

与AC/DC & DC/DC converters (integrated FET)相关的参考设计

使用我们的参考设计选择工具,找到最适合您应用和参数的设计。